XML.com: XLink: Who Cares? - XLink was part of the original plan for XML, along with XSL, but has taken a long time to reach completion and has inspired few implementations. Bob DuCharme asks why.

An Introduction to XML Linking - Edited excerpt from a talk on the features and benefits of the XML Linking Language specification given by Eve Maler. (Realplayer 5.0 audio file)

XLink Filter Project - An open source (Mozilla license) XLink parser filter linking layer that can rest between a SAX-compliant parser linking and Java applications which use the SAX API linking to retrieve information from XML documents.